On the basis of the sample studied, the new back school proved to be an effective treatment for short and long-term reduction of pain-related stress and associated psychological aspects. Maladaptive, passive coping strategies and higher depression scores were associated with a higher probability of success in terms of pain reduction and functional improvement.
The adjustment effects at 12 months follow-up indicate a delayed positive influence of the new back school program on muscular physiological parameters. Individuals with chronic non-specific back pain showed a long-term profit from participation in the new back school program due to the initiated orientation to a modified more active lifestyle.
ObjectiveThe theory of interpersonal problem behaviour (IPB) provides a more fundamental framework for understanding the psychosocial aspects of pain. The present study focused on the IPB, based on the Interpersonal Problem Circumplex (IPC), in persons with low back pain and its association with pain, psychological characteristics, and health care utilisation.MethodsIn a cross-sectional design, individuals with back pain (N = 88) and healthy control persons who matched by age, gender, and educational level (N = 88) were compared with regard to IPB. Furthermore, back pain patients classified by their IPB (N = 24 low, N = 48 moderate, N = 16 high) were compared regarding pain, depression, catastrophising, and health care utilisation.ResultsIn comparison to the healthy reference sample, a significant difference in the interpersonal problems of the low back pain group, with a tendency towards being overly ‘introverted’, ‘exploitable’, and ‘subassertive’, was revealed. In the back pain group, participants with elevated IPB showed significantly higher levels of pain intensity, functional disability, depression, catastrophising, and health care utilisation than participants with IPB in the normal range.ConclusionApplication of the Interpersonal Circumplex Model can help to characterize a subgroup of persons with low back pain. Increased general interpersonal problems are associated with elevated burden in pain-related, psychological, and health care-related variables. Future research should focus on the treatment opportunities for this subgroup, as well as on the influence of interpersonal problems during the course of back pain.
SummaryThe quadriceps femoris muscle (QF) plays an important role in locomotion. However, assessing the total number of attempts to evaluate the maximal isometric strength (Fmaxiso) regarding reliability and feasibility remain less characterised. Patients, methods: 28 patients with haemophilia (H) (26 severe, 2 moderate) and 27 healthy controls (C) matched for age (H: 44 ± 11, C: 42 ± 12) and anthropometric data were measured separately for the left and right leg for Fmaxiso of QF using m3 diagnos (SCHNELL®). We repeated the Fmaxiso measures after 48 h in 14 H and 13 C. Results: The system m3 diagnos showed strong reliability (ICC = 1.0; SEM = 0.0; CA = 1.0). H and C demonstrated significant differences in Fmaxiso (H r = 153 Nm, l = 164 Nm; K r= 289 Nm, l = 280 Nm; p ≤ 0.001). Additionally, H and C revealed significant differences between the 1st and 3rd to 6th attempts. No differences were observed between the 3rd, 4th, 5th and 6th attempts. Conclusion: Both groups showed high test-retest-reliability of Fmaxiso (ICC/SEM: H l = 0.98/7.1 r = 0.99/4.9; K l = 0.69/11.3 r = 0.95/5.8). Starting from the 3rd attempt, reliable measurements of the Fmaxiso in patients suffering from severe haemophilia are feasible.
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